Finding the Fourth Proportional to 86,152.08, 129,375.74 and 46,786.08
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Solution
The fourth proportional to 86,152.08, 129,375.74 and 46,786.08 is: 70,259.29
Step by Step Solution
- Step 1: Write the proportion equation
86,152.08 : 129,375.74 = 46,786.08 : x - Step 2: Convert to fraction form
86,152.08/129,375.74 = 46,786.08/x - Step 3: Cross multiply
86,152.08x = 129,375.74 × 46,786.08 - Step 4: Simplify right side
86,152.08x = 6,052,983,721.70 - Step 5: Solve for x
x = 6,052,983,721.70/86,152.08 - Step 6: Final answer
x = 70,259.29
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.